development of the Gepárd guns. Ammunition The M-1, M-1A1, M-2, M-4, M-5 and M-6 rifles all use the 12.7×108mm cartridge as their primary calibre. They can be converted to fire the NATO .50 BMG round. The M-3 rifle only use the Soviet 14.5×114mm round. Users : UKSF use the GM6 Lynx. : Indian special forces use the GM6 Lynx. See also List of bullpup firearms List of sniper rifles Denel NTW-20 References Further reading SERO manufacturers website Summary data-chart of the Gepard rifle family http://www.hungariae.com/Gepard.htm External links GM6 Lynx: The Hungarian Long-Recoil .50-Caliber Bullpup .50 BMG sniper rifles 12.7×108 mm sniper rifles 14.5×114mm sniper rifles Single-shot rifles Semi-automatic rifles Bolt-action rifles Rifles of Hungary Anti-materiel rifles Bullpup rifles Military equipment introduced in the 1990s